Tundra Swans are winter birds in New Jersey: they arrive in the second week of November, peak in late November (2.5% of checklists), and most are gone by the second week of March.
When to look
First arrivalsNov 8-14the second week of November
Common byNov 8-14the second week of November
PeakNov 22-30late November
Most gone byMar 8-14the second week of March
Best: late November. First arrivals the second week of November; most are gone by the second week of March. Peak: on about 2.5% of New Jersey checklists.
Janpeak season
Febcommon
Marcommon
Aprrare
Maynot usually seen
Junnot usually seen
Julnot usually seen
Augnot usually seen
Sepnot usually seen
Octrare
Novpeak season
Decpeak season
Darker months: more checklists report it. Outlined: peak month.
Share of complete checklists reporting it, by week (4 per month). Grey bars: fewer than 10 checklists, not counted.
Frequency is the share of complete checklists in New Jersey that listed the bird, 2016–2025. It is not a head count, and it follows where and when people go birding. How to read it.
JanFebMarAprMayJunJulAugSepOctNovDec
today
0%few checklistsno data
Each county is shaded by the share of complete checklists there that listed the bird, blended with the weeks either side. Darker is more often. It follows where people watch birds, not how many birds there are. How to read it.
Halls RunSalem County, best late December · 32 checklists that week, 450 in all70%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In New Jersey, the Tundra Swan is most often listed on checklists started between 1 and 3 pm (0.8% of those checklists).
Share of checklists started in each local hour that reported it. It reflects when people go birding as well as when birds are active. Grey hours have too few checklists (under 2% of the state’s, or under 200) to judge.Week-by-week table
Month
Days 1-7
8-14
15-21
22-end
January
2.0%
2.1%
2.0%
1.8%
February
1.3%
1.1%
1.2%
1.9%
March
1.6%
1.4%
0.8%
0.3%
April
0.1%
0.1%
0.1%
0.1%
May
0%
0%
0%
0%
June
0.1%
0.1%
0%
0%
July
0%
0%
0%
0%
August
0%
0%
0%
0%
September
0%
0%
0%
0%
October
0%
0%
0.1%
0.1%
November
0.7%
1.9%
2.4%
2.7%
December
2.5%
2.3%
1.7%
2.2%
Neighboring states
Delaware: arrives early November, 1 week earlier than New Jersey
Pennsylvania: arrives the second week of November, in the same week than New Jersey
New York: arrives the second week of November, in the same week than New Jersey
Maryland: arrives early November, 1 week earlier than New Jersey
Common questions
When do Tundra Swans arrive in New Jersey?
Tundra Swans are winter birds in New Jersey: they arrive in the second week of November, peak in late November (2.5% of checklists), and most are gone by the second week of March.
When do Tundra Swans leave New Jersey?
Most Tundra Swans have left New Jersey by the second week of March, when reports fall below half their usual rate.
When is the best time to see a Tundra Swan in New Jersey?
The Tundra Swan is reported most often in late November, on about 2.5% of New Jersey checklists.
Where in New Jersey are Tundra Swans seen most often?
By county, Atlantic County, Cape May County, and Salem County have the highest peak reporting rates for the Tundra Swan (counties with at least 200 checklists).